Hi, Does anyone know how to implement draft-levy diversion header on for example bilnd call forwarding?

I have this scenario: xlite ------ SER-0.9.7 ------ PSTN-GW ------ PSTN

Case: Call from xlite-579950 to 579917 (both registered at SER), 579917 has fwdblind enabled to pstn-501866.

where SER modifies INVITE when detect that user 579917 has fwdblind feature enabled. The call must be forwarded to the pstn number. but the PSTN-GW returns to SER a "302: Moved Temporarily" with a confused diversion header..

Here a few sip messages:

= SER -----> PSTN-GW U +0.000824 200.2.127.187:5060 -> 200.2.127.153:5060 INVITE sip:501866@200.2.127.153:5060 SIP/2.0. Record-Route: sip:200.2.127.187;ftag=2d0ad32d;lr=on. Via: SIP/2.0/UDP 200.2.127.187;branch=z9hG4bK396d.c60b3015.0. Via: SIP/2.0/UDP 192.168.132.22:35318;branch=z9hG4bK-d8754z-c16e4506aa72e334-1---d8754z-;rport=35318. Max-Forwards: 16. Contact: sip:579950@192.168.132.22:35318. To: "579917"sip:579917@wsa.lab. From: "579950"sip:579950@wsa.lab;tag=2d0ad32d. Call-ID: MzI2MjQ4ZTMyMGQzOWRlYzNkMWFkZTVmNGY3MzIzNDE.. CSeq: 2 INVITE. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO. Content-Type: application/sdp. User-Agent: X-Lite release 1100l stamp 47546. Content-Length: 385.

= PSTN-GW ----> SER U +0.051198 200.2.127.153:5060 -> 200.2.127.187:5060 SIP/2.0 302 Moved Temporarily. Via: SIP/2.0/UDP 200.2.127.187;branch=z9hG4bK396d.c60b3015.0. Via: SIP/2.0/UDP 192.168.132.22:35318;branch=z9hG4bK-d8754z-c16e4506aa72e334-1---d8754z-;rport=35318. To: "579917" sip:579917@wsa.lab;tag=121881197764d164f2-9431-47bb-be95-8af6684ebc04. From: "579950" sip:579950@wsa.lab;tag=2d0ad32d. CSeq: 2 INVITE. Call-ID: MzI2MjQ4ZTMyMGQzOWRlYzNkMWFkZTVmNGY3MzIzNDE.. Contact: sip:579917@200.2.127.187:5060. Diversion: sip:501866@200.2.127.153:5060;reason=unknown. Server: Epygi Quadro SIP User Agent/v4.1.23 (SOHOGW). Content-Length: 0.

What is wrong? How the flow must be to satisfies diversion of levy draft? Any comments are welcome...i'm confused if SER must modify INVITE or "To" header or if a diversion must be set (add_diversion of diversion.so module) when SER send the first invite to PSTN-GW...

Regards,